Fast Ramping 7 Tesla Cryogen-Free 3D Vector Magnet System

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Cryogenic Ltd has a new range of fast-sweeping cryogen-free superconducting magnets using high-performance Nb3Sn coils. These magnets provide an ideal platform for XMCD and other polarity switching applications. A continuous sweep rate of 100 sweeps/hour has been achieved between +/-7 Tesla. At +/-4T the same coil can be ramped continuously at full speed without pause giving up to 670 sweeps/hour.

The compact design uses 2x Gifford-McMahon cryocoolers, each providing 1.5W cooling power at 4.2K. Alternative designs are available including split-pair magnets with 4-way access and UHV bore.